75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file memoryBase.h
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* @author drose
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* @date 2006-11-16
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*/
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#ifndef MEMORYBASE_H
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#define MEMORYBASE_H
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#include "dtoolbase.h"
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#include "memoryHook.h"
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// Place this macro within a class definition to define appropriate operator
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// new and delete methods that hook into the MemoryInfo class to provide
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// memory tracking. Of course, it is better simply to inherit from
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// MemoryBase; this macro is provided to resolve problems with multiple
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// inheritance or some such.
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#ifndef USE_MEMORY_NOWRAPPERS
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#define ALLOC_MEMORY_BASE \
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inline void *operator new(size_t size) RETURNS_ALIGNED(MEMORY_HOOK_ALIGNMENT) { \
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return PANDA_MALLOC_SINGLE(size); \
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} \
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inline void *operator new(size_t size, void *ptr) { \
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(void) size; \
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return ptr; \
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} \
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inline void operator delete(void *ptr) { \
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PANDA_FREE_SINGLE(ptr); \
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} \
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inline void operator delete(void *, void *) { \
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} \
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inline void *operator new[](size_t size) RETURNS_ALIGNED(MEMORY_HOOK_ALIGNMENT) { \
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return PANDA_MALLOC_ARRAY(size); \
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} \
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inline void *operator new[](size_t size, void *ptr) { \
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(void) size; \
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return ptr; \
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} \
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inline void operator delete[](void *ptr) { \
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PANDA_FREE_ARRAY(ptr); \
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} \
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inline void operator delete[](void *, void *) { \
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}
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#else // USE_MEMORY_NOWRAPPERS
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#define ALLOC_MEMORY_BASE
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#endif // USE_MEMORY_NOWRAPPERS
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/**
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* This class is intended to be the base class of all objects in Panda that
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* might be allocated and deleted via the new and delete operators. It
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* redefines these operators to provide some memory tracking support.
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*
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* We used to try to override the global operator new and delete methods, but
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* that seems to cause problems when including header files for C++-based
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* system libraries (such as are found on OSX).
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*/
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class EXPCL_DTOOL_DTOOLBASE MemoryBase {
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public:
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ALLOC_MEMORY_BASE;
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};
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#endif
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